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Component for handling receiving.
There is a newer version: 7.0.0-RC1
/*
 * Copyright 2010-2018 Norwegian Agency for Public Management and eGovernment (Difi)
 *
 * Licensed under the EUPL, Version 1.1 or – as soon they
 * will be approved by the European Commission - subsequent
 * versions of the EUPL (the "Licence");
 *
 * You may not use this work except in compliance with the Licence.
 *
 * You may obtain a copy of the Licence at:
 *
 * https://joinup.ec.europa.eu/community/eupl/og_page/eupl
 *
 * Unless required by applicable law or agreed to in
 * writing, software distributed under the Licence is
 * distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 * See the Licence for the specific language governing
 * permissions and limitations under the Licence.
 */

package network.oxalis.inbound.servlet;

import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.typesafe.config.Config;
import network.oxalis.commons.util.OxalisVersion;
import network.oxalis.vefa.peppol.mode.Mode;

import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.security.cert.X509Certificate;
import java.util.Date;

/**
 * Servlet returning diagnostic information to ease operation, support and debugging.
 * Since this servlet is public accessible, it should NOT contain any sensitive
 * information about it's runtime environment.
 *
 * @author erlend
 * @author thore
 */
@Singleton
public class StatusServlet extends HttpServlet {

    private final X509Certificate certificate;

    private final Config config;

    private final Mode mode;

    @Inject
    public StatusServlet(X509Certificate certificate, Config config, Mode mode) {
        this.certificate = certificate;
        this.mode = mode;
        this.config = config;
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        resp.setContentType("text/plain");

        PrintWriter writer = resp.getWriter();
        writer.println("version.oxalis: " + OxalisVersion.getVersion());
        writer.println("version.java: " + System.getProperty("java.version"));
        writer.println("mode: " + mode.getIdentifier());

        if (config.hasPath("lookup.locator.hostname")) {
            writer.print("lookup.locator.hostname: ");
            writer.println(config.getString("lookup.locator.hostname"));
        }

        writer.println("certificate.subject: " + certificate.getSubjectX500Principal().getName());
        writer.println("certificate.issuer: " + certificate.getIssuerX500Principal().getName());
        writer.println("certificate.expired: " + certificate.getNotAfter().before(new Date()));
        writer.println("build.id: " + OxalisVersion.getBuildId());
        writer.println("build.tstamp: " + OxalisVersion.getBuildTimeStamp());
    }
}